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cond-mat.str-el2008★ 49 cited
Electronic texture of the thermoelectric oxide Na0.75CoO2
M. -H. Julien, C. de Vaulx, H. Mayaffre +9
From 59Co and 23Na NMR, we demonstrate the impact of the Na+ vacancy ordering on the cobalt electronic states in Na0.75CoO2: at long time scales, there is neither a disproportionat…
cond-mat.str-el2007★ 54 cited
Electronic Correlations in CoO2, the Parent Compound of Triangular Cobaltates
C. de Vaulx, M. -H. Julien, C. Berthier +3
A 59Co NMR study of CoO2, the x=0 end member of AxCoO2 (A = Na, Li...) cobaltates, reveals a metallic ground state, though with clear signs of strong electron correlations: low-ene…